Check out our new website www.evanshealthlab.com/ Follow Dr. Mike for new videos! twitter.com/docmikeevans A Doctor-Professor answers the old question "What is the single best thing we can do for our health" in a completely new way. Dr. Mike Evans is founder of the Health Design Lab at the Li Ka Shing Knowledge Institute, an Associate Professor of Family Medicine and Public Health at the University of Toronto, and a staff physician at St. Michael's Hospital. twitter.com/docmikeevans www.facebook.com/docmikeevans Conceived, written, and presented by Dr. Mike Evans Illustrated by Liisa Sorsa Produced, directed, and filmed by Nick De Pencier Picture and sound edit by David Schmidt Gaffer, Martin Wojtunik Whiteboard construction by James Vanderkleyn Production assistant, Chris Niesing ©2011 Michael Evans and Mercury Films Inc.